Lithwick’s basic point is that the right to vote and to obtain an abortion ought to get, but do not get, the same strong protection from the Court as free speech does. ...

But I can’t help but noticing one interesting and important difference between the right to free speech, and the rights to vote or to obtain an abortion. The right to free speech is enumerated in the text of the Constitution. The rights to vote and to obtain an abortion are not — at least not as explicitly.